Delta acid
[化] δ酸; 2-萘酸-7-磺酸(染料中间体)
🧩 词语组成解析
delta
['deltə]
n. 希腊语字母表第四字母δ;（河流的）三角洲;[数]变量增量;
🗣️ 情景例句
What's happening with you these days?
你近来好吗？
I remember the girl whose father owns a dress shop.
我记得那个女孩的父亲有一家服装店。
'So long as there's something to identify, we will give people their money back,' said a spokeswoman for the Bank.'Last year, we paid $1.5m on 21,000 claims.
“只要有东西可供识别，我们会把钱还给人家的，”银行的一位女发言人说。“去年，我们对21，000 起索赔要求支付了150万英镑。”